The cost of preconception tests ranges from 500-2000 RMB. There are some differences in the fees due to the content of the examination items, the level of the hospital and regional differences. Generally speaking, the fees are relatively higher in tertiary and above hospitals than in general hospitals, higher in first-tier cities than in other counties and cities, and lower in maternal and child health institutions compared to hospitals. The items of preconception examination generally include routine internal medicine, gynecological physical examination and related auxiliary examinations. The auxiliary examinations include routine blood, routine urine, routine leucorrhea secretion, electrocardiogram, liver function, kidney function, thyroid function, eugenic virus test, color ultrasound and so on. When doing preconception checkups, it is better to have an empty stomach to avoid affecting the normal test results.